Source Apportionment of Ozone Precursor VOCs in Urban Atmospheres by Receptor Modelling
The chemical mass balance (CMB) and positive matrix factorization (PMF) receptor models have been used to identify and apportion the dominating sources for individual C2-C9 hydrocarbons specified in the European Ozone Directive 2002/3/EC in Milan (I) and Lille (F). A new approach estimating the uncertainties in the ambient concentrations as a function of the analytical precision and the atmospheric half-lives of the VOCs gave results which compared well for both receptor models and give a good insight into the emission sources for ozone precursors. In this conference proceeding short-paper a detailed discussion of the results obtained for Milan is presented. Data and results for Lille will be discussed in full in the oral presentation at the 5th International Conference on Urban Air Quality, 29-31 March 2005, Valencia.
JUNNINEN Heikki;
BORBON A.;
LARSEN Bo;
ASTORGA LLORENS Covadonga;
LOGOGE N;
2009-10-16
Sokhi R S; Millan M M and Moussiopoulos N
JRC32505
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